| Owings Mills to Cordele (Georgia) | 646.59 mi (1,040.59 km) |
| Owings Mills to Corinth (Mississippi) | 714.50 mi (1,149.87 km) |
| Owings Mills to Corinth (Texas) | 1,206.30 mi (1,941.34 km) |
| Owings Mills to Cornelius (North Carolina) | 352.64 mi (567.51 km) |
| Owings Mills to Cornelius (Oregon) | 2,361.73 mi (3,800.83 km) |
| Owings Mills to Corning (New York) | 189.51 mi (304.99 km) |
| Owings Mills to Corona (California) | 2,273.29 mi (3,658.51 km) |
| Owings Mills to Coronado (California) | 2,283.47 mi (3,674.88 km) |
| Owings Mills to Corpus Christi (Texas) | 1,428.44 mi (2,298.84 km) |
| Owings Mills to Corsicana (Texas) | 1,210.53 mi (1,948.16 km) |
| Owings Mills to Cortland (New York) | 222.64 mi (358.30 km) |
| Owings Mills to Corvallis (Oregon) | 2,381.01 mi (3,831.87 km) |
| Owings Mills to Coshocton (Ohio) | 274.60 mi (441.92 km) |
| Owings Mills to Costa Mesa (California) | 2,296.89 mi (3,696.49 km) |
| Owings Mills to Coto de Caza (California) | 2,281.27 mi (3,671.36 km) |
